/*
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.samples.apps.iosched.di

import android.content.Context
import androidx.datastore.preferences.SharedPreferencesMigration
import androidx.datastore.preferences.preferencesDataStore
import com.google.samples.apps.iosched.shared.data.prefs.DataStorePreferenceStorage
import com.google.samples.apps.iosched.shared.data.prefs.PreferenceStorage
import dagger.Module
import dagger.Provides
import dagger.hilt.InstallIn
import dagger.hilt.android.qualifiers.ApplicationContext
import dagger.hilt.components.SingletonComponent
import javax.inject.Singleton

@InstallIn(SingletonComponent::class)
@Module
object PreferencesStorageModule {

    val Context.dataStore by preferencesDataStore(
        name = DataStorePreferenceStorage.PREFS_NAME,
        produceMigrations = { context ->
            listOf(
                SharedPreferencesMigration(
                    context,
                    DataStorePreferenceStorage.PREFS_NAME
                )
            )
        }
    )

    @Singleton
    @Provides
    fun providePreferenceStorage(@ApplicationContext context: Context): PreferenceStorage =
        DataStorePreferenceStorage(context.dataStore)
}
